Finding the Third Proportional to 156,270 and 341,940

Step by Step Solution

1. Step 1: Write the proportion equation
   156,270 : 341,940 = 341,940 : x
2. Step 2: Convert to fraction form
   156,270/341,940 = 341,940/x
3. Step 3: Cross multiply
   156,270x = 341,940 × 341,940
4. Step 4: Simplify right side
   156,270x = 116,922,963,600
5. Step 5: Solve for x
   x = 116,922,963,600/156,270
6. Step 6: Final answer
   x = 748,211.20